<?php

namespace Modules\Shop\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Illuminate\Routing\Controller;
use Modules\Shop\Entities\Article;
use Modules\Shop\Entities\Category;
use Modules\Shop\Http\Requests\CategoryRequest;

class CategoryController extends Controller
{
	/**
	 * Display a listing of the resource.
	 * @return Response
	 */
	public function index()
	{
		$cates=Category::getCategory ();
		return view('shop::category.index',compact('cates'));
	}

	/**
	 * Show the form for creating a new resource.
	 * @return Response
	 */
	public function create()
	{
		return view('shop::create');
	}

	/**
	 * Store a newly created resource in storage.
	 * @param  Request $request
	 * @return Response
	 */
	public function store(CategoryRequest $request)
	{
		Category::create($request->all());
		session()->flash('success','添加分类成功！');
		return redirect ()->back();
	}

	/**
	 * Show the specified resource.
	 * @return Response
	 */
	public function show()
	{
		return view('shop::show');
	}

	/**
	 * Show the form for editing the specified resource.
	 * @return Response
	 */
	public function edit()
	{
		return view('shop::edit');
	}

	/**
	 * Update the specified resource in storage.
	 * @param  Request $request
	 * @return Response
	 */
	public function update(CategoryRequest $request,$id)
	{
		$cate=Category::find($id);
		$cate->cname=$request->input('cname');
		$cate->pid=$request->input('pid');
		$cate->save();
		session()->flash('success','修改成功！');
		return redirect ()->back();
	}

	/**
	 * Remove the specified resource from storage.
	 * @return Response
	 */
	public function destroy($id)
	{
		$cate=Category::find($id);
		$a=Article::where('pid',$id)->first();
		if($a){
			session()->flash('danger','该分类下有文章不可删除');
			return redirect ()->route('category.index');
		}
		$child=Category::hasChildCategory($cate);
		if($child){
			session()->flash('danger','该分类下有子分类不可删除');
			return redirect ()->route('category.index');
		}
		Category::destroy ($id);
		session()->flash('success','删除分类成功！');
		return redirect ()->route('category.index');
	}
}
